LAMENESS AND DISEASES, ETC. 



191 



the ankle joiut and touch the heel at the ground surface. The 

 foot will then resume its normal 

 position, by standing further 

 back directly under the limb. 

 This investigation is so 

 important in its practical re- 

 sults that the converse effect 

 of excessive height of the 

 heels is illustrated in this con- 

 nection. Fig. 84 shows this 

 defect in dressing the hoof for 

 the shoe. The vertical line of 

 pressure, A, A, is thrown for- 

 ward beyond the axis of the 



Fig. 85. coffin bone, same defect. 



Fig. 84. shows defect caused by 

 too iiigu ueels. 



cannon bone, so that it 

 reaches the ground far in 

 advance of the angle of the 

 heel. The inclination of the 

 pastern is made more up- 

 right, as shown by the line 

 J), J), instead of preserving 

 its normal position as indi- 

 cated by the line B, B. If 

 the heels are lowered the 

 distance indicated bv the 

 line C, C, the foot will be 

 changed to the correct po- 

 sition indicated by E, E, 

 and all the bones, joints, 



